#include<iostream>
using namespace std;

int main()
{
	int num, a, b, c;
	cout << "please enter a nummber" << endl;
	cin >> a >> b >> c;
	int max_num = (a > b) ? (a > c ? a : c) : (b > c ? b : c);
	cout << max_num << endl;
	return 0;
}